Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Operating Leases
Operating lease right-of-use assets	$ 2,320	$ 16,388
Current portion of operating lease liabilities	636	486
Long-term operating lease liabilities	8,348	16,973
Total operating lease liabilities	8,984	17,459
Finance Leases
Property and equipment	147	293
Accumulated depreciation	(26)	(28)
Property and equipment, net	121	265
Current portion of finance lease liabilities	60	55
Long-term finance lease liabilities	96	158
Total finance lease liabilities	$ 156	$ 213
Weighted Average Remaining Lease Term
Operating leases (in years)	9 years 10 months 24 days	16 years 7 months 6 days
Finance leases (in years)	3 years 1 month 6 days	4 years 7 months 6 days
Weighted Average Discount Rate
Operating leases (in percentage)	8.90%	8.90%
Finance leases (in percentage)	9.00%	9.00%